Coffee maker



FIG. 1 is a front elevational view of the present invention;

FIG. 2 is a right lateral elevational view thereof;

FIG. 3 is a left lateral elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a perspective view thereof.

The ornamental design for a coffee maker, as shown and described.